/* USER CODE BEGIN Header */
/**
 ******************************************************************************
 * @file           : main.c
 * @brief          : Main program body
 ******************************************************************************
 * @attention
 *
 * Copyright (c) 2023 STMicroelectronics.
 * All rights reserved.
 *
 * This software is licensed under terms that can be found in the LICENSE file
 * in the root directory of this software component.
 * If no LICENSE file comes with this software, it is provided AS-IS.
 *
 ******************************************************************************
 */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "string.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "stdio.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
#if defined ( __ICCARM__ ) /*!< IAR Compiler */
#pragma location=0x2004c000
ETH_DMADescTypeDef  DMARxDscrTab[ETH_RX_DESC_CNT]; /* Ethernet Rx DMA Descriptors */
#pragma location=0x2004c0a0
ETH_DMADescTypeDef  DMATxDscrTab[ETH_TX_DESC_CNT]; /* Ethernet Tx DMA Descriptors */

#elif defined ( __CC_ARM )  /* MDK ARM Compiler */

__attribute__((at(0x2004c000))) ETH_DMADescTypeDef  DMARxDscrTab[ETH_RX_DESC_CNT]; /* Ethernet Rx DMA Descriptors */
__attribute__((at(0x2004c0a0))) ETH_DMADescTypeDef  DMATxDscrTab[ETH_TX_DESC_CNT]; /* Ethernet Tx DMA Descriptors */

#elif defined ( __GNUC__ ) /* GNU Compiler */
ETH_DMADescTypeDef DMARxDscrTab[ETH_RX_DESC_CNT] __attribute__((section(".RxDecripSection"))); /* Ethernet Rx DMA Descriptors */
ETH_DMADescTypeDef DMATxDscrTab[ETH_TX_DESC_CNT] __attribute__((section(".TxDecripSection"))); /* Ethernet Tx DMA Descriptors */

#endif

ETH_TxPacketConfig TxConfig;

ETH_HandleTypeDef heth;

RTC_HandleTypeDef hrtc;

UART_HandleTypeDef huart3;

PCD_HandleTypeDef hpcd_USB_OTG_FS;

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_ETH_Init(void);
static void MX_USART3_UART_Init(void);
static void MX_USB_OTG_FS_PCD_Init(void);
static void MX_RTC_Init(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

#ifdef __GNUC__
int __io_putchar(int ch)
#else
int fputc(int ch, FILE *f)
#endif
{
	HAL_UART_Transmit(&huart3, (uint8_t*) &ch, 1, 0xFFFF);
	return ch;
}

/**
  * @brief  Display the current time and date.
  * @param  showtime : pointer to buffer
  * @param  showdate : pointer to buffer
  * @retval None
  */
static void RTC_CalendarShow(RTC_HandleTypeDef *hrtc)
{
  RTC_TimeTypeDef stimestructureget;
//  RTC_DateTypeDef sdatestructureget;

  /* Get the RTC current Time */
  HAL_RTC_GetTime(hrtc, &stimestructureget, RTC_FORMAT_BIN);
  /* Get the RTC current Date */
  HAL_RTC_GetDate(hrtc, NULL, RTC_FORMAT_BIN);
  /* Display time Format : hh:mm:ss */
  printf("%2d:%2d:%2d\n", stimestructureget.Hours, stimestructureget.Minutes, stimestructureget.Seconds);
  /* Display date Format : mm-dd-yy */
//  printf("%2d - %2d - %2d\n", 2000 + sdatestructureget.Year,sdatestructureget.Month, sdatestructureget.Date);
}

/**
 * https://wiki.stmicroelectronics.cn/stm32mcu/wiki/Getting_started_with_RTC
 */
void HAL_RTC_AlarmAEventCallback(RTC_HandleTypeDef *hrtc) {
	printf("HAL_RTC AlarmAEvent Callback\n");

	RTC_CalendarShow(hrtc);

	RTC_AlarmTypeDef sAlarm;
	HAL_RTC_GetAlarm(hrtc, &sAlarm, RTC_ALARM_A, FORMAT_BIN);
	if (sAlarm.AlarmTime.Seconds > 58) {
		sAlarm.AlarmTime.Seconds = 0;
		sAlarm.AlarmTime.Minutes = sAlarm.AlarmTime.Minutes + 1;
	} else {
		sAlarm.AlarmTime.Seconds = sAlarm.AlarmTime.Seconds + 2;
	}
	while (HAL_RTC_SetAlarm_IT(hrtc, &sAlarm, FORMAT_BIN) != HAL_OK) {
	}

	HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_0);
	HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_14);
}



/* USER CODE END 0 */

/**
 * @brief  The application entry point.
 * @retval int
 */
int main(void) {
	/* USER CODE BEGIN 1 */

	/* USER CODE END 1 */

	/* MCU Configuration--------------------------------------------------------*/

	/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
	HAL_Init();

	/* USER CODE BEGIN Init */

	/* USER CODE END Init */

	/* Configure the system clock */
	SystemClock_Config();

	/* USER CODE BEGIN SysInit */

	/* USER CODE END SysInit */

	/* Initialize all configured peripherals */
	MX_GPIO_Init();
	MX_ETH_Init();
	MX_USART3_UART_Init();
	MX_USB_OTG_FS_PCD_Init();
	MX_RTC_Init();
	/* USER CODE BEGIN 2 */

	/* USER CODE END 2 */

	/* Infinite loop */
	/* USER CODE BEGIN WHILE */
	while (1) {
//		RTC_CalendarShow(&hrtc);
//		HAL_Delay(1000);
		/* USER CODE END WHILE */

		/* USER CODE BEGIN 3 */
	}
	/* USER CODE END 3 */
}

/**
 * @brief System Clock Configuration
 * @retval None
 */
void SystemClock_Config(void) {
	RCC_OscInitTypeDef RCC_OscInitStruct = { 0 };
	RCC_ClkInitTypeDef RCC_ClkInitStruct = { 0 };

	/** Configure LSE Drive Capability
	 */
	HAL_PWR_EnableBkUpAccess();

	/** Configure the main internal regulator output voltage
	 */
	__HAL_RCC_PWR_CLK_ENABLE();
	__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);

	/** Initializes the RCC Oscillators according to the specified parameters
	 * in the RCC_OscInitTypeDef structure.
	 */
	RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI
			| RCC_OSCILLATORTYPE_HSE;
	RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
	RCC_OscInitStruct.LSIState = RCC_LSI_ON;
	RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
	RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
	RCC_OscInitStruct.PLL.PLLM = 4;
	RCC_OscInitStruct.PLL.PLLN = 72;
	RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
	RCC_OscInitStruct.PLL.PLLQ = 3;
	if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
		Error_Handler();
	}

	/** Initializes the CPU, AHB and APB buses clocks
	 */
	RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
			| RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
	RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
	RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
	RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
	RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

	if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
		Error_Handler();
	}
}

/**
 * @brief ETH Initialization Function
 * @param None
 * @retval None
 */
static void MX_ETH_Init(void) {

	/* USER CODE BEGIN ETH_Init 0 */

	/* USER CODE END ETH_Init 0 */

	static uint8_t MACAddr[6];

	/* USER CODE BEGIN ETH_Init 1 */

	/* USER CODE END ETH_Init 1 */
	heth.Instance = ETH;
	MACAddr[0] = 0x00;
	MACAddr[1] = 0x80;
	MACAddr[2] = 0xE1;
	MACAddr[3] = 0x00;
	MACAddr[4] = 0x00;
	MACAddr[5] = 0x00;
	heth.Init.MACAddr = &MACAddr[0];
	heth.Init.MediaInterface = HAL_ETH_RMII_MODE;
	heth.Init.TxDesc = DMATxDscrTab;
	heth.Init.RxDesc = DMARxDscrTab;
	heth.Init.RxBuffLen = 1524;

	/* USER CODE BEGIN MACADDRESS */

	/* USER CODE END MACADDRESS */

	if (HAL_ETH_Init(&heth) != HAL_OK) {
		Error_Handler();
	}

	memset(&TxConfig, 0, sizeof(ETH_TxPacketConfig));
	TxConfig.Attributes = ETH_TX_PACKETS_FEATURES_CSUM
			| ETH_TX_PACKETS_FEATURES_CRCPAD;
	TxConfig.ChecksumCtrl = ETH_CHECKSUM_IPHDR_PAYLOAD_INSERT_PHDR_CALC;
	TxConfig.CRCPadCtrl = ETH_CRC_PAD_INSERT;
	/* USER CODE BEGIN ETH_Init 2 */

	/* USER CODE END ETH_Init 2 */

}

/**
 * @brief RTC Initialization Function
 * @param None
 * @retval None
 */
static void MX_RTC_Init(void) {

	/* USER CODE BEGIN RTC_Init 0 */

	/* USER CODE END RTC_Init 0 */

	RTC_TimeTypeDef sTime = { 0 };
	RTC_DateTypeDef sDate = { 0 };
	RTC_AlarmTypeDef sAlarm = { 0 };

	/* USER CODE BEGIN RTC_Init 1 */

	/* USER CODE END RTC_Init 1 */

	/** Initialize RTC Only
	 */
	hrtc.Instance = RTC;
	hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
	hrtc.Init.AsynchPrediv = 127;
	hrtc.Init.SynchPrediv = 255;
	hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
	hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
	hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
	if (HAL_RTC_Init(&hrtc) != HAL_OK) {
		Error_Handler();
	}

	/* USER CODE BEGIN Check_RTC_BKUP */

	/* USER CODE END Check_RTC_BKUP */

	/** Initialize RTC and set the Time and Date
	 */
	sTime.Hours = 0x0;
	sTime.Minutes = 0x0;
	sTime.Seconds = 0x0;
	sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
	sTime.StoreOperation = RTC_STOREOPERATION_RESET;
	if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK) {
		Error_Handler();
	}
	sDate.WeekDay = RTC_WEEKDAY_MONDAY;
	sDate.Month = RTC_MONTH_JANUARY;
	sDate.Date = 0x01;
	sDate.Year = 0x0;
	if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BCD) != HAL_OK) {
		Error_Handler();
	}

	/** Enable the Alarm A
	 */
	sAlarm.AlarmTime.Hours = 0x0;
	sAlarm.AlarmTime.Minutes = 0x0;
	sAlarm.AlarmTime.Seconds = 0x02;
	sAlarm.AlarmTime.SubSeconds = 0x0;
	sAlarm.AlarmTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
	sAlarm.AlarmTime.StoreOperation = RTC_STOREOPERATION_RESET;
	sAlarm.AlarmMask = RTC_ALARMMASK_NONE;
	sAlarm.AlarmSubSecondMask = RTC_ALARMSUBSECONDMASK_ALL;
	sAlarm.AlarmDateWeekDaySel = RTC_ALARMDATEWEEKDAYSEL_DATE;
	sAlarm.AlarmDateWeekDay = 0x1;
	sAlarm.Alarm = RTC_ALARM_A;
	if (HAL_RTC_SetAlarm_IT(&hrtc, &sAlarm, RTC_FORMAT_BCD) != HAL_OK) {
		Error_Handler();
	}
	/* USER CODE BEGIN RTC_Init 2 */

	/* USER CODE END RTC_Init 2 */

}

/**
 * @brief USART3 Initialization Function
 * @param None
 * @retval None
 */
static void MX_USART3_UART_Init(void) {

	/* USER CODE BEGIN USART3_Init 0 */

	/* USER CODE END USART3_Init 0 */

	/* USER CODE BEGIN USART3_Init 1 */

	/* USER CODE END USART3_Init 1 */
	huart3.Instance = USART3;
	huart3.Init.BaudRate = 115200;
	huart3.Init.WordLength = UART_WORDLENGTH_8B;
	huart3.Init.StopBits = UART_STOPBITS_1;
	huart3.Init.Parity = UART_PARITY_NONE;
	huart3.Init.Mode = UART_MODE_TX_RX;
	huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
	huart3.Init.OverSampling = UART_OVERSAMPLING_16;
	huart3.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
	huart3.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
	if (HAL_UART_Init(&huart3) != HAL_OK) {
		Error_Handler();
	}
	/* USER CODE BEGIN USART3_Init 2 */

	/* USER CODE END USART3_Init 2 */

}

/**
 * @brief USB_OTG_FS Initialization Function
 * @param None
 * @retval None
 */
static void MX_USB_OTG_FS_PCD_Init(void) {

	/* USER CODE BEGIN USB_OTG_FS_Init 0 */

	/* USER CODE END USB_OTG_FS_Init 0 */

	/* USER CODE BEGIN USB_OTG_FS_Init 1 */

	/* USER CODE END USB_OTG_FS_Init 1 */
	hpcd_USB_OTG_FS.Instance = USB_OTG_FS;
	hpcd_USB_OTG_FS.Init.dev_endpoints = 6;
	hpcd_USB_OTG_FS.Init.speed = PCD_SPEED_FULL;
	hpcd_USB_OTG_FS.Init.dma_enable = DISABLE;
	hpcd_USB_OTG_FS.Init.phy_itface = PCD_PHY_EMBEDDED;
	hpcd_USB_OTG_FS.Init.Sof_enable = ENABLE;
	hpcd_USB_OTG_FS.Init.low_power_enable = DISABLE;
	hpcd_USB_OTG_FS.Init.lpm_enable = DISABLE;
	hpcd_USB_OTG_FS.Init.vbus_sensing_enable = ENABLE;
	hpcd_USB_OTG_FS.Init.use_dedicated_ep1 = DISABLE;
	if (HAL_PCD_Init(&hpcd_USB_OTG_FS) != HAL_OK) {
		Error_Handler();
	}
	/* USER CODE BEGIN USB_OTG_FS_Init 2 */

	/* USER CODE END USB_OTG_FS_Init 2 */

}

/**
 * @brief GPIO Initialization Function
 * @param None
 * @retval None
 */
static void MX_GPIO_Init(void) {
	GPIO_InitTypeDef GPIO_InitStruct = { 0 };
	/* USER CODE BEGIN MX_GPIO_Init_1 */
	/* USER CODE END MX_GPIO_Init_1 */

	/* GPIO Ports Clock Enable */
	__HAL_RCC_GPIOC_CLK_ENABLE();
	__HAL_RCC_GPIOH_CLK_ENABLE();
	__HAL_RCC_GPIOA_CLK_ENABLE();
	__HAL_RCC_GPIOB_CLK_ENABLE();
	__HAL_RCC_GPIOD_CLK_ENABLE();
	__HAL_RCC_GPIOG_CLK_ENABLE();

	/*Configure GPIO pin Output Level */
	HAL_GPIO_WritePin(GPIOB, LD1_Pin | LD3_Pin | LD2_Pin, GPIO_PIN_RESET);

	/*Configure GPIO pin Output Level */
	HAL_GPIO_WritePin(USB_PowerSwitchOn_GPIO_Port, USB_PowerSwitchOn_Pin,
			GPIO_PIN_RESET);

	/*Configure GPIO pin : USER_Btn_Pin */
	GPIO_InitStruct.Pin = USER_Btn_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	HAL_GPIO_Init(USER_Btn_GPIO_Port, &GPIO_InitStruct);

	/*Configure GPIO pins : LD1_Pin LD3_Pin LD2_Pin */
	GPIO_InitStruct.Pin = LD1_Pin | LD3_Pin | LD2_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
	HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

	/*Configure GPIO pin : USB_PowerSwitchOn_Pin */
	GPIO_InitStruct.Pin = USB_PowerSwitchOn_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
	HAL_GPIO_Init(USB_PowerSwitchOn_GPIO_Port, &GPIO_InitStruct);

	/*Configure GPIO pin : USB_OverCurrent_Pin */
	GPIO_InitStruct.Pin = USB_OverCurrent_Pin;
	GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	HAL_GPIO_Init(USB_OverCurrent_GPIO_Port, &GPIO_InitStruct);

	/* USER CODE BEGIN MX_GPIO_Init_2 */
	/* USER CODE END MX_GPIO_Init_2 */
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
 * @brief  This function is executed in case of error occurrence.
 * @retval None
 */
void Error_Handler(void) {
	/* USER CODE BEGIN Error_Handler_Debug */
	/* User can add his own implementation to report the HAL error return state */
	__disable_irq();
	while (1) {
	}
	/* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
